T(n,k)=Number of (n+1)X(k+1) 0..2 arrays with every 2X2 subblock diagonal maximum minus antidiagonal minimum unequal to its neighbors horizontally, vertically, diagonally and antidiagonally.
A253468
T(n,k)=Number of (n+1)X(k+1) 0..2 arrays with every 2X2 subblock diagonal maximum minus antidiagonal minimum unequal to its neighbors horizontally, vertically, diagonally and antidiagonally.
Terms
- a(0) =81a(1) =540a(2) =540a(3) =3640a(4) =800a(5) =3640a(6) =24208a(7) =1400a(8) =1400a(9) =24208a(10) =162016a(11) =3072a(12) =2000a(13) =3072a(14) =162016a(15) =1081504a(16) =8536a(17) =2600a(18) =2600a(19) =8536a(20) =1081504a(21) =7227096a(22) =15888a(23) =5000a(24) =3744a(25) =5000a(26) =15888a(27) =7227096a(28) =48272160a(29) =44464
External references
- oeis: A253468